AMSOIL Signature Series 5W-50 Synthetic Motor Oil provides outstanding anti-wear protection. It is fortified with a robust additive package, including top-quality detergents and dispersants to help prevent sludge deposits and keep engines clean. It withstands the stress of high horsepower and heat, resisting viscosity loss due to mechanical shear and maintaining protection in metal-to-metal contact regions for maximum engine life.

AMSOIL Signature Series 5W-50 Synthetic Motor Oil excels in extreme temperatures. It resists thermal breakdown to maintain protection in high heat and it contains no wax, allowing it to remain fluid in the low temperatures for improved oil flow and protection at startup. Signature Series 5W-50 is designed for maximum efficiency. It exhibits an extremely low volatility rate to control oil consumption and emissions.